<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像盒子 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 登录表单 -->
      <el-form
        :model="loginForm"
        :rules="loginRules"
        class="login_from"
        label-width="0px"
        ref="loginRef"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-user"
            placeholder="请输入用户名"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-3702mima"
            type="password"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="restForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Login',
  methods: {
    // 重置表单方法
    restForm () {
      // console.log(this)
      this.$refs.loginRef.resetFields()
    },
    // 登录
    login () {
      this.$refs.loginRef.validate(async (valRes) => {
        // console.log(res);
        if (!valRes) return
        const { data: resData } = await this.$http.post('login', this.loginForm)
        if (resData.meta.status == 200) {
          this.$message.success('登录成功')
          window.sessionStorage.setItem('token', resData.data.token)
          this.$router.push('/home')
        } else this.$message.error('用户名或密码错误')
      })
    }
  },
  data: function () {
    return {
      // 用户名密码
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 校验
      loginRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 15,
            message: '长度在 3 到 15 个字符',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 3,
            max: 15,
            message: '长度在 3 到 15 个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #0094ff;
  width: 100%;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_from {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
